Michael Kors Access Bradshaw vs. Polar M600 vs. Garmin 645 Music vs. Fitbit Charge HR vs. Garmin Vivofit 4

 
Access Bradshaw
M600
645 Music
Charge HR
Vivofit 4
 Michael KorsAccess BradshawRemove Buy NowPolarM600Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$350$330$450$150$79.95
Release20162016201820152018

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Durationn/a2 days7 days5 days1 year
Rechargeablen/a

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution320 x 290240 x 240240 x 240NA88 x 88
Sizen/a1.3 inches1.2 inchesNANA
Touchn/an/aNA
Typen/aTFTMIPOLEDNA

Functions

Audio Speakern/aAlerts only
Clock
Phonen/a
Vibrationn/a
Voicen/a

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensorn/a
Water Resistance1 ATMIPX85 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearNA
Appsn/a
Musicn/a

All Wearables